From eeaf34223d517fdca9cd91b192267f8f0bcd2ab9 Mon Sep 17 00:00:00 2001
From: Adam Joseph <adam@westernsemico.com>
Date: Sun, 29 May 2022 12:36:10 -0700
Subject: [PATCH] pkgs/tools/misc/file: add cannot-use-fetchpatch warning

As requested here: https://github.com/NixOS/nixpkgs/pull/168413#pullrequestreview-988550409
---
 pkgs/tools/misc/file/default.nix | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/pkgs/tools/misc/file/default.nix b/pkgs/tools/misc/file/default.nix
index 6454bb4eac284..9b982f2c2eac5 100644
--- a/pkgs/tools/misc/file/default.nix
+++ b/pkgs/tools/misc/file/default.nix
@@ -1,5 +1,10 @@
 { lib, stdenv, fetchurl, file, zlib, libgnurx }:
 
+# Note: this package is used for bootstrapping fetchurl, and thus
+# cannot use fetchpatch! All mutable patches (generated by GitHub or
+# cgit) that are needed here should be included directly in Nixpkgs as
+# files.
+
 stdenv.mkDerivation rec {
   pname = "file";
   version = "5.41";